我想用pyOpengl和pygame在三维空间显示一个矩形图像。在
我不介意图像暂时被破坏。 以下是我所知的用于图像显示的opengl函数的代码:
import pygame, OpenGL, math, numpy
from pygame.locals import *
from OpenGL.GL import *
from OpenGL.GLU import *
from PIL import Image #have Pillow instead of PIL
img = Image.open('myPixelArt.bmp')
img_data = numpy.array(list(img.getdata()), numpy.int8)
im = glGenTextures(1,img)
glPixelStorei(GL_UNPACK_ALIGNMENT,4)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
glTexImage2D(GL_TEXTURE_2D, 5, GL_RGB, img.size[0], img.size[1], 0, GL_RGB, GL_UNSIGNED_BYTE, img_data)
gluBuild2DMipmaps( GL_TEXTURE_2D, 3, img.size[0], img.size[1], GL_RGB, GL_UNSIGNED_BYTE, img_data );
def wall(image): #I would like the image on this wall
glColor((1,0,0))
glBindTexture(GL_TEXTURE_2D,image)
glBegin(GL_QUADS)
glTexCoord2f(0,0)
glVertex3f(-4,-4,-8)
glTexCoord2f(1,0)
glVertex3f(-4,4,-8)
glTexCoord2f(1,1)
glVertex3f(4,4,-8)
glTexCoord2f(0,1)
glVertex3f(4,-4,-8)
glEnd()
def main():
pygame.init()
display = (600,600)
screen = pygame.display.set_mode(display, DOUBLEBUF|OPENGL)
main()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
glLoadIdentity()
gluPerspective(45, 1, 0.05, 100)
glEnable(GL_TEXTURE_2D)
glTranslatef(0,0,-5)
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT)
wall(im)
pygame.display.flip()
pygame.time.wait(50)
但是,如果我改为调用wall(img),我会得到
^{pr2}$
我把它修好了,修好了一些东西:
1)需要在}(即
glGenTextures
之前调用pygame.init()
和{main()
)。在2)用
pygame.image.load
代替Image.open
3)用
pygame.image.tostring(img, "RGB", 1)
代替numpy.array(list(img.getdata()), numpy.int8)
4)需要在
glTexParameteri
之前调用glBindTexture
这是我的工作示例:
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